Blown-in cellulose is a popular alternative to fiberglass insulation. According to insulation specialist, Richard Applegate, cellulose is a natural wood product, and 75 percent of what it's made from is recycled newspaper. Fire-retardant chemical additives give the material a class-1 fire rating, making it a very safe product.
One of the biggest advantages of using cellulose is its performance. In fact, because of its density, it has a higher R-rating than and outperforms many common insulation products. Its loose
nature makes it easier to install into irregular spaces, creating a custom-fit monolithic seal over an entire area.
From both health and environmental perspectives, cellulose is considered a "green" product -- more ecologically sound than competing products. It doesn't contain formaldehyde, and cancer warnings are not required on its labeling. Since there are no glass fibers, as with fiberglass insulation, cellulose does not cause itch.
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